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From Chathuri Wimalasena <kamalas...@gmail.com>
Subject Unusual log generation in Hadoop namenode logs
Date Sat, 18 Jun 2016 15:29:56 GMT
Hi,

I'm using HBase 0.94-23 with Hadoop 2.7.2. In my hadoop namenode log file,
I'm getting below log info message over and over again. No jobs are running
still seeing the same log appearing. When I run a hadoop job, some jobs
failed with timeout. The cluster has 10 data nodes with 200TB of data.
When I stop HBase, logs no longer appear.

16/06/18 11:23:51 INFO BlockStateChange: BLOCK* addStoredBlock: blockMap
updated: 10.10.2.1:44949 is added to
blk_1077143665_3402990{UCState=UNDER_CONSTRUCTION, truncateBlock=null,
primaryNodeIndex=-1,
replicas=[ReplicaUC[[DISK]DS-ab36f47b-c40a-4561-b4ad-8f7258257691:NORMAL:10.10.2.6:44949|RBW],
ReplicaUC[[DISK]DS-48499fec-79cd-48df-943a-4e5011dc9f9a:NORMAL:10.10.2.1:44949|RBW],
ReplicaUC[[DISK]DS-3f5fb044-538f-4977-a24d-349c8496e77d:NORMAL:10.10.2.3:44949|RBW]]}
size 0
16/06/18 11:23:51 INFO BlockStateChange: BLOCK* addStoredBlock: blockMap
updated: 10.10.2.6:44949 is added to
blk_1077143665_3402990{UCState=UNDER_CONSTRUCTION, truncateBlock=null,
primaryNodeIndex=-1,
replicas=[ReplicaUC[[DISK]DS-ab36f47b-c40a-4561-b4ad-8f7258257691:NORMAL:10.10.2.6:44949|RBW],
ReplicaUC[[DISK]DS-48499fec-79cd-48df-943a-4e5011dc9f9a:NORMAL:10.10.2.1:44949|RBW],
ReplicaUC[[DISK]DS-3f5fb044-538f-4977-a24d-349c8496e77d:NORMAL:10.10.2.3:44949|RBW]]}
size 0
16/06/18 11:23:51 INFO hdfs.StateChange: BLOCK* allocate
blk_1077143674_3402999{UCState=UNDER_CONSTRUCTION, truncateBlock=null,
primaryNodeIndex=-1,
replicas=[ReplicaUC[[DISK]DS-8af58951-0eb7-4244-b76a-9356ad832a93:NORMAL:10.10.2.6:44949|RBW],
ReplicaUC[[DISK]DS-6095b306-487e-48d7-948e-84ac5ef16aa4:NORMAL:10.10.2.9:44949|RBW],
ReplicaUC[[DISK]DS-9b2f64f6-bbac-4ed5-a1f9-9366129d196b:NORMAL:10.10.2.1:44949|RBW]]}
for
/hbase/tweetTable-2016-02/d654d01588e8a46d7050852978f8eaf9/.tmp/14bc58b73bd74cf28cf7e43b2304e4d6

Appreciate any insight on this.

Regards,
Chathuri

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